Question:

Aerenchyma provides

Updated On: Jun 14, 2022
  • flexibility to plants
  • mechanical strength to plants
  • buoyancy to hydrophytic plants
  • promoting nature of photosynthesis
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The Correct Option is C

Solution and Explanation

Aerenchyma are the parenchymatous cells that contain air cavities and help in floating and gaseous exchange.
Mechanical strength is provided by sclerenchymatous cells, which are long and tapering at both ends and have narrow lumen. They are dead tissues and act as skeleton in plants. They are hardest plant tissue.
Chlorenchyma are parenchymatous cells which contain chlorophyll and help in photosynthesis.
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Concepts Used:

Animal Tissues

Human bodies, like most animal bodies, are made up of four different types of tissue:

Epithelial Tissue:

This tissue forms the outer layer of the body and also lines many of the body's cavities where it has a protective function.

General functions of epithelial tissue:-

  1. Provides a barrier between the external environment and the organ that it is covering.
  2. Specialized to function in secretion and absorption.
  3. Protects organisms from microorganisms, injury, and fluid loss.

Connective Tissue:

This tissue assists in the support and protection of organs and limbs and depending on the location in the body it may join or separate organs or parts of the body.

Muscle Tissue:

This tissue enables various forms of movement, both voluntary and involuntary.

Nerve Tissue:

This tissue is responsible for the carrying of electrical and chemical signals and impulses from the brain and central nervous system to the periphery, and vice versa.